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Introduction of EGNOS operations: the perspective of an Air Navigation Service Provider

Introduction of EGNOS operations: the perspective of an Air Navigation Service Provider. METIS Workshop Benefits of EGNOS in Civil Aviation Istanbul 18 November 2009. Technical Department – Satellite Systems Unit Renato Perago (renato.perago@enav.it).

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Introduction of EGNOS operations: the perspective of an Air Navigation Service Provider

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  1. Introduction of EGNOS operations: the perspective of an Air Navigation Service Provider METIS Workshop Benefits of EGNOS in Civil Aviation Istanbul 18 November 2009 • Technical Department – Satellite Systems Unit • Renato Perago (renato.perago@enav.it)

  2. to increase: safety, efficiency, capacity of ATM in Europe; to reduce fragmentation / complexity of airspace (FABs, FUA); to provide a framework for modernisation of systems (SESAR); to reduce the environmental impact of any operation. … widespread PBN operations key enablers of SES. Single European Sky (SES) - Objectives METIS Workshop Benefits of EGNOS in Civil Aviation, Istanbul 18 November 2009

  3. first step of PBN implementation; operational benefits (flight time, pilot / controller workload, repeatability of the flight path); vertical Baro-guidance for equipped aircraft (some models of Airbus and Boeing); Baro VNAV flight procedures where cost-effective; RNP APCH subject to some operational restrictions (i.e. RAIM availability). 4min 37min 15min PBN Approaches – RNP APCH (+ Baro VNAV) RAIM FD RAIM FDE METIS Workshop Benefits of EGNOS in Civil Aviation, Istanbul 18 November 2009

  4. PBN Approaches – SBAS LPV (or SBAS APV) • increased availability by SBAS (no RAIM); • access to both greatest and regional airports; • EGNOS LPV suitable for at least 70% of Italian RWYs (good average visibility in Central/Southern Italy); • EGNOS LPV suitable at Perugia (LIRZ) airport. • SBAS LPV (or APV) METIS Workshop Benefits of EGNOS in Civil Aviation, Istanbul 18 November 2009

  5. regional and general aviation traffic; airspace constraints; mountainous terrain (also affecting m.a.); RWY 01 ILS CAT I; Procedural surveillance; IFR RWY 19 desirable (in case of south wind). Operational Scenario at Perugia METIS Workshop Benefits of EGNOS in Civil Aviation, Istanbul 18 November 2009

  6. Three initial segments (two straight-in) joining at RZ007 ILS CAT I, OCH = 500 ft (m.a. gradient 2.5%) METIS Workshop Benefits of EGNOS in Civil Aviation, Istanbul 18 November 2009

  7. Overall PBN Implementation steps in EU • certification of airborne equipment; • obligations of aircraft operators (manuals, crew training); • radio navigation signals of sufficient performance (ESSP in the case of EGNOS); • airspace design + aeronautical information publication (Service Providers); • subject to regulation/approval by “EASA system” (including NSAs). International Projects join different stakeholders ! METIS Workshop Benefits of EGNOS in Civil Aviation, Istanbul 18 November 2009

  8. Risk Assessment and Mitigation (ESARR4) • Service Providers shall carry out Safety Assessment of the intended modifications (SES Regulation); • Local constraints key factor; • High-level Safety Cases as inputs to Local Safety Assessment; • possible local degradation of signals (e.g. GPS interference) and mitigations (ICAO ANC/11, Recommendation 6/2). METIS Workshop Benefits of EGNOS in Civil Aviation, Istanbul 18 November 2009

  9. Conclusion • Performance Based Navigation (PBN) one of the key enablers of SES; • Aeronautical Information Management required for PBN; • RNP APCH (+Baro) the first implementation step of PBN; • SBAS LPV suitable for at least 70% of Italian runways end; • Despite of the conservative concept (ILS-look-alike), LPV introduces the required level of automation with accurate flight path repeatability by means of EGNOS signal availability. METIS Workshop Benefits of EGNOS in Civil Aviation, Istanbul 18 November 2009

  10. Thanks for your attention METIS project www.metis-project.eu METIS Workshop Benefits of EGNOS in Civil Aviation, Istanbul 18 November 2009

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